<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
    <input type="checkbox" v-model="language" value="java">java<br/>
    <input type="checkbox" v-model="language" value="js">js<br/>
    <input type="checkbox" v-model="language" value="python">python
    <h1>
        你选择了：{{language.join(',')}}
    </h1>
</div>
<script src="./node_modules/vue/dist/vue.js"></script>
<script type="text/javascript">
    var vm = new Vue({
        el:"#app",
        data:{
            language: []
        }
    })
</script>
</body>
</html>